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/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Save me your old worn out / torn up pistons /cgi-bin/YaBB.pl?num=1273186983 Message started by Oldfeller on 05/06/10 at 16:03:03 |
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Title: Save me your old worn out / torn up pistons Post by Oldfeller on 05/06/10 at 16:03:03 Request is for donated experimental parts -- save me your old worn out or torn up pistons (or the ones you are simply replacing as you bore your bike out hunting for extra ponies). Subject is Dow Corning Molykote D-10 pad print anti-friction coating. Intent is to develop a method to safely and securely put a low friction coating on the piston that will "grow" the piston back up to a usable diameter to rematch a worn re-honed bore. Yes, I know you can pay to have this done. Cost you about $50 a piston after shipping and they only do fixed (low) amounts of build up. If Dow comes through with my sample of D-10 material I can do it too, and I am not so limited as the commercial places as to how much I am willing to put back on to a piston or what sort of damage I will attempt to recover using the D-10 material. Mild scoring might be recoverable .... (depends) I need bodies to experiment upon ... send the rings with the pistons please as "slightly worn" rings can be re-expanded and outer edge coated as well making the rebuilt pistons and rings "quick seating" and usable again. This is the exact same coating that is put on commercial pistons. Same stuff might find its way into a head cam journal or two if I can figure out a way to cure it in place without taking the head completely apart. |
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Title: Re: Save me your old worn out / torn up pistons Post by bill67 on 05/06/10 at 16:13:05 I want have any worn out pistons,I use Klotz zero wear oil. 8-) |
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Title: Re: Save me your old worn out / torn up pistons Post by Chief Gunner on 05/06/10 at 16:28:34 Old Feller you're killing me, Got a head, rocker arms, that could use your last two experiments and I haven't even gotten to the piston. Since it's an 87 it probably needs work too. 'Course you have to catch me when I have no access to my bike. Might have to have the wife ship it out to me ;) I'll be watching to see how your projects work out, when i get back to Virginia I'll definitly be knocking on your door of wisdom. [smiley=beer.gif] [smiley=beer.gif] |
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Title: Re: Save me your old worn out / torn up pistons Post by verslagen1 on 05/06/10 at 16:31:31 got a burnt '88 piston if you want it |
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Title: Re: Save me your old worn out / torn up pistons Post by Charon on 05/06/10 at 17:03:32 Hey Bill, if Klotz is really "zero wear oil" as you say it is, how do rings ever seat? Or do you have to use something else to allow a certain amount of wear before you start using Klotz? |
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Title: Re: Save me your old worn out / torn up pistons Post by Oldfeller on 05/06/10 at 17:33:31 Verslagen, just don't throw it away. How badly burnt was it? Were the rings seized in the grooves and the upper surface above the top ring erroded away? |
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Title: Re: Save me your old worn out / torn up pistons Post by verslagen1 on 05/06/10 at 17:39:31 ring was pinched over maybe 1/2 and pin was scored small area of crown next to area of pinch eroded |
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Title: Re: Save me your old worn out / torn up pistons Post by bill67 on 05/06/10 at 18:16:24 7E555C4F52533D0 wrote:
Broke it in on the oil that came in it. |
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Title: Re: Save me your old worn out / torn up pistons Post by BurnPgh on 05/06/10 at 18:25:22 Got a piston for ya. If you're paying shipping where do I send it off to? |
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Title: Re: Save me your old worn out / torn up pistons Post by dasch on 05/07/10 at 02:06:55 53585D5D0706310 wrote:
Broke it in on the oil that came in it.[/quote] :) Charon, you didn't see this one coming? |
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Title: Re: Save me your old worn out / torn up pistons Post by Charon on 05/08/10 at 10:58:19 Sure, I saw it coming, Dasch. It was more a matter of curiosity about the approach than the answer. Bill is a "True Believer" in the effectiveness of Seafoam, Klotz Racing oil, and the uselessness of battery tenders. He also believes the MSF - and presumably any sort of actual driving school - is dangerous and should be banned. Some time back he also declared that countersteering doesn't work and shouldn't be taught. I am sure I omitted something, but I am equally sure he'll remind us of it before too long. |
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Title: Re: Save me your old worn out / torn up pistons Post by dasch on 05/08/10 at 11:16:50 Hahaha, we can count on it. Bill is just messing with us anyways. And laughs hard when we take the bait. |
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Title: Re: Save me your old worn out / torn up pistons Post by bill67 on 05/08/10 at 11:19:55 Theres 5 ways to steer a motorcycle,I use 4 of them the one I don't use is counter steer,That is dangerous if you have to move one way in a hurry.If you look at the honda motorcycle web site you can find the 5 ways to steer a motorcycle. |
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Title: Re: Save me your old worn out / torn up pistons Post by JohnBoy on 05/08/10 at 12:13:02 ...and the safest that I have seen is in the back of a truck...no countersteer neded! Is it possible to turn a bike without at least "a little" countersteer? |
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Title: Re: Save me your old worn out / torn up pistons Post by bill67 on 05/08/10 at 12:25:51 Did you ever ride a bicycle with no hands and go around the block with out touching the handlebars. |
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Title: Re: Save me your old worn out / torn up pistons Post by dasch on 05/08/10 at 12:27:55 Yes! If youre moving no faster than 2mph ::) Bill, you have a link?? I only found Freddie Spencer's racing bike steer techniques. But even there he says: "the four ways to steer your motorcycle using countersteering, peg weighting, outside knee pressure against the fuel tank and brake/throttle application. These techniques work no matter what kind of riding you enjoy. What we teach our students is that these are not four independent methods to pick and choose from; each method should be used in conjunction with the other. ..." |
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Title: Re: Save me your old worn out / torn up pistons Post by bill67 on 05/08/10 at 13:15:21 Go the American honda motorcycles were they show there bikes,Just look around there and you will see it. |
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Title: Re: Save me your old worn out / torn up pistons Post by Charon on 05/09/10 at 05:52:02 Oh yes - I remembered another of Bill's beliefs. He believes a Diesel oil such as Shell Rotella should not be used in a motorcycle. I'm not sure of the rationale, but it ties in somehow with Klotz. Bill, I looked around the Honda site and could not find anything about ways to steer a motorcycle, let alone five ways to do it. Obviously I am not as capable as you of finding such information. |
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Title: Re: Save me your old worn out / torn up pistons Post by bill67 on 05/09/10 at 06:01:09 Klotz isn't the only motorcycle oil there a lot of them,So why would a person in his right mine use a diesel oil.It was about a year ago I saw the 5 ways to steer a motorcycle on the Honda page,I don't see it now. |
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Title: Re: Save me your old worn out / torn up pistons Post by dasch on 05/09/10 at 06:55:25 Well, I do. Part is quoted in my last post. Here's the page: http://hrca.honda.com/Articles/Article.aspx?xml=Articles/Segment/Segment_Article_0420.xml But even there, countersteer is an integral part of steering, used in conjuction with all others. However, I'm out of this post. I'll leave Oldfeller fishing for old pistons with an apology for post stealing. |
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